operations Flashcards
free float
Next task EST - this task EST - Duration
total float
This tasks LFTs - This tasks EST - Duration
Program Evaluation Review Technique (PERT)
(Optimistic time) + (4 * realistic time) + ( pessimistic time ) / 6
Critical path
• longest plan of planned activities
•determines which activities are critical
•calculates LFT and EST of each activity
measuring productivity
•number of products / average number of employees
•number of products (output) / capital (machines)
capacity utilisation
•what percentage of your percentage capacity are you currently using
actual output
———————— * 100
potential output
Kaizen
smaller gains to reach a bigger goal
benchmarking
comparing your business to one of your competitors to match there success
Jidoka
technology which automatically stops production when a fault is spotted
ergonomics
laying out machines, workers and tools to maximise efficiency and everythings in best place
Total quality management (TQM)
•everybody is involved in checking quality where they work
• only moves when quality check is complete
just in time
keeping stock to and absolute minimum and are ordered when they are needed
economies of scale
the more you produce, the cheaper each one is to make (average cost falls)
LIFO
last in first out stock control method
FIFO
First in first out stock control method
